Abstract

Migration of the local data to the cloud storage has become prominent due to its flexibility and elasticity. Despite of major advantage on outsourcing data, it proportionally increases the challenges on security in terms of data sharing and data confidentiality. To address this issue, many encryption based security mechanism has been devoted to cloud. However, the traditional encryption mechanism is not reliable in data sharing paradigms. In this paper, we undergo an extensive study on keyword search on outsourced encrypted data through utilization of many variants insearchable encryption algorithm. Searchable encryption mechanism allows the data user to make searches on the encrypted data by supplying of keywords with decrypting the text for similarity verification towards query. The query keyword will be transformed into the ciphertext. Transformed ciphertext of the keyword will be associated with encrypted index in order to return relevant data files. The particular solution exponentially increases the computation cost and processing memory. In order to combat this issue, we plan to propose a novel framework, in terms of Cryptographic pairing scheme for the mapping the keyword queries towards the encrypted data in the cloud. The pairing scheme works based on the construction of trap doors for the outsourcing document to the cloud. The performance model each mechanism is analysed on different evaluation scales on various data sizes.

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